Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 250/70-15 | 205/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.78 (731) | 25.49 (647.5) | -3.29 (-83.5) -11.4% |
| Width inches (mm) | 9.84 (250) | 8.07 (205) | -1.77 (-45) -18% |
| Circum. inches (mm) | 90.41 (2296.5) | 80.09 (2034.18) | -10.33 (-262.32) -11.4% |
| Sidewall Height inches (mm) | 6.89 (175) | 5.25 (133.25) | -1.64 (-41.75) -23.9% |
| Revolutions per mile (km) | 700.78 (435.44) | 791.15 (491.6) | 90.37 (56.15) 12.9% |
205/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.72 mph (28.51 km/h) |
| 25 mph (40.23 km/h) | 22.14 mph (35.64 km/h) |
| 30 mph (48.28 km/h) | 26.57 mph (42.77 km/h) |
| 35 mph (56.33 km/h) | 31 mph (49.89 km/h) |
| 40 mph (64.37 km/h) | 35.43 mph (57.02 km/h) |
| 45 mph (72.42 km/h) | 39.86 mph (64.15 km/h) |
| 50 mph (80.47 km/h) | 44.29 mph (71.28 km/h) |
| 55 mph (88.51 km/h) | 48.72 mph (78.4 km/h) |
| 60 mph (96.56 km/h) | 53.15 mph (85.53 km/h) |
| 65 mph (104.61 km/h) | 57.58 mph (92.66 km/h) |
| 70 mph (112.65 km/h) | 62 mph (99.79 km/h) |
| 75 mph (120.7 km/h) | 66.43 mph (106.91 km/h) |
| 80 mph (128.75 km/h) | 70.86 mph (114.04 km/h) |
| 85 mph (136.79 km/h) | 75.29 mph (121.17 km/h) |
| 90 mph (144.84 km/h) | 79.72 mph (128.3 km/h) |
| 95 mph (152.89 km/h) | 84.15 mph (135.42 km/h) |
| 100 mph (160.93 km/h) | 88.58 mph (142.55 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 2339 | 2519 | 2630 | 2750 | 2836 | 2930 | 3041 | 3196 | 3350 | 3521 | 3658 | 3907 | 4181 | 4395 | 4532 | 4609 | 4892 | 5286 | 6143 |
Better Fuel Economy Factory Ratios Increased Power
